如何解析HTML节点的属性 [英] How to parse an HTML node's attributes

问题描述

我使用C＃并需要解析HTML以将属性读取到键值对中。
例如给出以下HTML代码段

I use C# and need to parse an HTML to read the attributes into key value pairs. e.g given the following HTML snippet

<DIV myAttribute style="BORDER-BOTTOM: medium none; BACKGROUND-COLOR: transparent; BORDER-TOP: medium none" id=my_ID anotherAttribNamedDIV class="someclass">

请注意，属性可以是

1. key =value例如 class =someclass

2. key =值对例如 id = my_ID （没有值的引号）

3.没有值的简单属性例如 myAttribute

Please note that the attributes can be
1. key="value" pairs e.g class="someclass"
2. key=value pairs e.g id=my_ID (no quotes for values)
3. plain attributes e.g myAttribute, which doesn't have a "value"

我需要将它们存储到带有键值对的字典中，如下所示：
key = myAttribute value =

key = style value =BORDER-BOTTOM：medium none; BACKGROUND-COLOR：transparent; BORDER-TOP：medium none

key = id value =my_ID

key = anotherAttribNamedDIV value =

key = class value =someclass

I need to store them into a dictionary with key value pairs as follows
key=myAttribute value=""
key=style value="BORDER-BOTTOM: medium none; BACKGROUND-COLOR: transparent; BORDER-TOP: medium none"
key=id value="my_ID"
key=anotherAttribNamedDIV value=""
key=class value="someclass"

我是寻找正则表达式来做到这一点。

I am looking for regular expressions to do this.

推荐答案

您可以使用 HtmlAgilityPack

string myDiv = @"<DIV myAttribute style=""BORDER-BOTTOM: medium none; BACKGROUND-COLOR: transparent; BORDER-TOP: medium none"" id=my_ID anotherAttribNamedDIV class=""someclass""></DIV>";
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(myDiv);
HtmlNode node = doc.DocumentNode.SelectSingleNode("div");

Literal1.Text = ""; 

foreach (HtmlAttribute attr in node.Attributes)
{
    Literal1.Text += attr.Name + ": " + attr.Value + "<br />";
}

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